from typing import Dict, List
from models import FileDiff, IssueInfo, ReviewResult
from controller import CRController

class CRAgent:
    """LLM CR Agent模块，负责代码审查的核心逻辑"""

    def __init__(self, cr_controller: CRController):
        """
        初始化CR Agent
        
        Args:
            cr_controller (CRController): CR控制模块实例
        """
        self.cr_controller = cr_controller

    async def run_review(self, repo: str, pr_id: str, issue_id: str) -> ReviewResult:
        """
        运行代码审查任务
        
        Args:
            repo (str): 仓库名称
            pr_id (str): Pull Request ID
            issue_id (str): 需求/缺陷ID
            
        Returns:
            ReviewResult: 代码审查结果
        """
        # 1. 获取文件列表
        files = await self.cr_controller.get_file_list(repo, pr_id)
        
        # 2. 获取并分析每个文件
        analysis_results = []
        for file in files:
            # 获取文件内容
            content = await self.cr_controller.get_file_content(repo, file.path, f"pr/{pr_id}")
            # 分析代码
            analysis = await self._analyze_code(content)
            analysis_results.append(analysis)
            
            # 获取并分析差异
            diff = await self.cr_controller.get_file_diff(repo, pr_id, file.path)
            changes = await self._compare_changes(diff)
            
        # 3. 获取需求/缺陷信息
        issue_info = await self.cr_controller.get_issue_info(issue_id)
        
        # 4. 验证需求实现
        suggestions = await self._validate_requirements(issue_info, analysis_results)
        
        # 5. 生成审查结果
        return ReviewResult(
            status="completed",
            comments=analysis_results,
            suggestions=suggestions
        )

    async def _analyze_code(self, file_content: str) -> Dict:
        """
        分析代码
        
        Args:
            file_content (str): 文件内容
            
        Returns:
            Dict: 代码分析结果
        """
        # TODO: 实现代码分析逻辑
        pass

    async def _compare_changes(self, diff: FileDiff) -> List[Dict]:
        """
        分析代码变更
        
        Args:
            diff (FileDiff): 文件差异信息
            
        Returns:
            List[Dict]: 变更分析结果列表
        """
        # TODO: 实现变更分析逻辑
        pass

    async def _validate_requirements(self, issue_info: IssueInfo, changes: List[Dict]) -> List[str]:
        """
        验证需求/缺陷修复的合理性
        
        Args:
            issue_info (IssueInfo): 需求/缺陷信息
            changes (List[Dict]): 代码变更分析结果
            
        Returns:
            List[str]: 改进建议列表
        """
        # TODO: 实现需求验证逻辑
        pass